ENTC 402 radiography (NDT) fully solved 2023 passed

ENTC 402 radiography (NDT)The strength or penetrating power of x-ray radiation depends on the - correct answer Tube voltage The total amount of radiation produced by an x-ray tube for a given set-up is determined by the - correct answer Exposure value RT is mainly used for the detection of - correct answer Volumetric flaws and profiling Which of the following factors will affect the absorption of radiation by a test workpiece - correct answer (The density, the thickness, the strength of rad) All of the above Which of the following statements about gamma rays is incorrect - correct answer All gamma ray sources have the same activity Which of the following about an x-ray source is incorrect - correct answer The energy levels of its radiation are discrete When a x-ray tube operates at 200KV, 5mA, and 5 minutes exposure time, what is its exposure value? - correct answer 1500mA*s To detect a crack, the direction of radiation has to be_____to the plane - correct answer Parallel Who is given credit for the discovery of the x-ray - correct answer Wilhelm Roentgen X-rays and gamma rays have significant penetrating power due to their: - correct answer Short wavelength Who us given credit for the discovery of radioactive materials - correct answer Henri Becquerel